[INFO] updating cached repository https://github.com/ionandrei5002/rust-tcp-router
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3728e7df2ec21bba8efc053b1772273369de6961
[INFO] checking ionandrei5002/rust-tcp-router against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fionandrei5002%2Frust-tcp-router" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/ionandrei5002/rust-tcp-router on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ionandrei5002/rust-tcp-router
[INFO] finished tweaking git repo https://github.com/ionandrei5002/rust-tcp-router
[INFO] tweaked toml for git repo https://github.com/ionandrei5002/rust-tcp-router written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ionandrei5002/rust-tcp-router already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1ca0d1f4087c56532478af03176f602e5eb00680005bf3dade3a29535143c8f
[INFO] running `"docker" "start" "-a" "c1ca0d1f4087c56532478af03176f602e5eb00680005bf3dade3a29535143c8f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking rust-tcp-router v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 stream.write_all(&buf[0..len]);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 stream.write_all(&buf[0..len]);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `"docker" "inspect" "c1ca0d1f4087c56532478af03176f602e5eb00680005bf3dade3a29535143c8f"`
[INFO] running `"docker" "rm" "-f" "c1ca0d1f4087c56532478af03176f602e5eb00680005bf3dade3a29535143c8f"`
[INFO] [stdout] c1ca0d1f4087c56532478af03176f602e5eb00680005bf3dade3a29535143c8f